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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* return p stat info
*/
#include "reglib.h"
regstat_t*
regstat(const regex_t* p)
{
register Rex_t* e;
p->env->stats.re_flags = p->env->flags;
p->env->stats.re_info = 0;
e = p->env->rex;
if (e && e->type == REX_BM)
{
p->env->stats.re_record = p->env->rex->re.bm.size;
e = e->next;
}
else
p->env->stats.re_record = 0;
if (e && e->type == REX_BEG)
e = e->next;
if (e && e->type == REX_STRING)
e = e->next;
if (!e || e->type == REX_END && !e->next)
p->env->stats.re_info |= REG_LITERAL;
p->env->stats.re_record = (p && p->env && p->env->rex->type == REX_BM) ? p->env->rex->re.bm.size : -1;
return &p->env->stats;
}
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